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COMEDK2016ChemistryHaloalkanes and Haloarenes

Which of the following compounds gives trichloromethane on distilling with bleaching powder?

Options

  1. AEthanol
  2. BMethanol
  3. CMethanal
  4. DPhenol

Correct answer

A. Ethanol

Step-by-step solution

Ethanol gives trichloromethane on distilling with bleaching powder. aligned & (I) Cl ₂+ H ₂ O 2 HCl +[ O ] & CH ₃ CH ₂ OH +[ O ] CH ₃ CHO + H ₂ O aligned Ethanol (II) CH ₃ CHO +3 Cl ₂ CCl ₃ CHO +3 HCl (III) CCl ₃ CHO + Ca ( OH )₂ 2 CHCl ₃+( HCOO )₂ Ca Trichloro methane

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